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GPT OSS 120B High vs Grok 4.7

Grok 4.7 leads the LLM Stats Score 48.5 to 25.4. GPT OSS 120B High is 15.0x cheaper per token.

OpenAI · xAI · Updated for 2026

Which is better?

Grok 4.7 leads the overall LLM Stats Score 48.5 to 25.4, ranking #22 overall.

On price, GPT OSS 120B High is roughly 15.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok 4.7 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT OSS 120B High

  • cost matters — it's about 15.0x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose Grok 4.7

  • overall performance matters — it scores 48.5 and ranks #22 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you process long inputs — it offers a 500,000 token context window
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Core performance indexes
25.4
#161
48.5
#22
25.6
#152
37.4
#68
3.0
#166
36.3
#18
Cost, coverage & limits
Benchmark wins
Input price
$0.10 / M
$2.00 / M
Output price
$0.50 / M
$6.00 / M
Context window
131,072
500,000

Individual benchmarks

7 reported for GPT OSS 120B High · 23 for Grok 4.7

No common benchmarks found

GPT OSS 120B High and Grok 4.7don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GPT OSS 120B High costs less

For input processing, GPT OSS 120B High ($0.10/1M tokens) is 20.0x cheaper than Grok 4.7 ($2.00/1M tokens).

For output processing, GPT OSS 120B High ($0.50/1M tokens) is 12.0x cheaper than Grok 4.7 ($6.00/1M tokens).

In conclusion, Grok 4.7 is more expensive than GPT OSS 120B High.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Sep 21 2026 • llm-stats.com
OpenAI
GPT OSS 120B High
Input tokens$0.10
Output tokens$0.50
Best providerOpenAI
xAI
Grok 4.7
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Grok 4.7 accepts 500,000 input tokens compared to GPT OSS 120B High's 131,072 tokens. Only GPT OSS 120B High specifies output context (131,072 tokens).

OpenAI
GPT OSS 120B High
Input131,072 tokens
Output131,072 tokens
xAI
Grok 4.7
Input500,000 tokens
Output- tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok 4.7 supports multimodal inputs, whereas GPT OSS 120B High does not.

Grok 4.7 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT OSS 120B High

Text
Images
Audio
Video

Grok 4.7

Text
Images
Audio
Video

License

Usage and distribution terms

GPT OSS 120B High is licensed under Apache 2.0, while Grok 4.7 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

GPT OSS 120B High

Apache 2.0

Open weights

Grok 4.7

Proprietary

Closed source

Release Timeline

When each model was launched

GPT OSS 120B High was released on 2025-08-05, while Grok 4.7 was released on 2026-09-21.

Grok 4.7 is 14 months newer than GPT OSS 120B High.

GPT OSS 120B High

Aug 5, 2025

1.1 years ago

Grok 4.7

Sep 21, 2026

0 days ago

1.1yr newer

Knowledge Cutoff

When training data ends

Grok 4.7 has a documented knowledge cutoff of 2026-05-01, while GPT OSS 120B High's cutoff date is not specified.

We can confirm Grok 4.7's training data extends to 2026-05-01, but cannot make a direct comparison without GPT OSS 120B High's cutoff date.

GPT OSS 120B High

Grok 4.7

May 2026

Provider Availability

GPT OSS 120B High is available from OpenAI, Fireworks. Grok 4.7 is available from xAI.

GPT OSS 120B High

openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
fireworks logo
Fireworks
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Grok 4.7

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GPT OSS 120B High and Grok 4.7 side-by-side, then vote on the output you prefer.

GPT OSS 120B High
✓ Preferred
Grok 4.7
Open in Playground

FAQ

Common questions about GPT OSS 120B High vs Grok 4.7.

Which is better, GPT OSS 120B High or Grok 4.7?

Grok 4.7 leads the LLM Stats Score 48.5 to 25.4. GPT OSS 120B High is made by OpenAI and Grok 4.7 is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT OSS 120B High compare to Grok 4.7 in benchmarks?

GPT OSS 120B High scores AIME 2025: 92.5%, MMMLU: 83.8%, LiveCodeBench v6: 81.9%, GPQA: 80.9%, MMLU-Pro: 80.7%. Grok 4.7 scores BixBench MCQ: 88.4%, WMDP-Bio: 88.1%, WMDP-Cyber: 88.1%, WMDP-Chem: 84.9%, CyberGym: 80.3%.

Is GPT OSS 120B High cheaper than Grok 4.7?

GPT OSS 120B High is 20.0x cheaper for input tokens. GPT OSS 120B High costs $0.10/M input and $0.50/M output via openai. Grok 4.7 costs $2.00/M input and $6.00/M output via xai.

What are the context window sizes for GPT OSS 120B High and Grok 4.7?

GPT OSS 120B High supports 131K tokens and Grok 4.7 supports 500K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT OSS 120B High and Grok 4.7?

Key differences include LLM Stats Score (25.4 vs 48.5), context window (131K vs 500K), input pricing ($0.10 vs $2.00/M), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT OSS 120B High and Grok 4.7?

GPT OSS 120B High is developed by OpenAI and Grok 4.7 is developed by xAI.